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Bent pushrods

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Old Feb 5, 2025 | 05:43 PM
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Bent pushrods

I've been chasing a "miss" on my 95 and I found the problem. Both pushrods on #4 are bent. Never used ether before. What are the chances I didn't do any further damage?
 
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Old Feb 5, 2025 | 06:22 PM
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I would check the other pushrods to make sure you found all of the bent ones. Check the rocker arms for damage, install new ones, and give it a go
 
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Old Feb 5, 2025 | 06:30 PM
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Those are like super bent. I wasn't expecting to see that!
 
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Old Feb 5, 2025 | 06:56 PM
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Valve float/over re. As for damage hard to say, I would just replace them and see what it does.
 
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Old Feb 5, 2025 | 07:04 PM
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Originally Posted by 97-psd
I would check the other pushrods to make sure you found all of the bent ones. Check the rocker arms for damage, install new ones, and give it a go
I’ll replace them all since I have both valve covers off. Should I do anything like pushing the lifters in or tapping the top of the valves with a rubber mallet to make sure they’re not stuck?
 
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Old Feb 5, 2025 | 07:04 PM
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Originally Posted by Edgethis
Those are like super bent. I wasn't expecting to see that!
I know, I did a number on them!
 
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Old Feb 5, 2025 | 07:06 PM
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Originally Posted by z31freakify
Valve float/over re. As for damage hard to say, I would just replace them and see what it does.
It’s odd, because when it happened I wasn’t running extremely high rpm’s (although I have before) then all of a sudden it started bucking.
 
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Old Feb 5, 2025 | 09:47 PM
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Welp, cracked a rocker too.
 
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Old Feb 10, 2025 | 12:30 PM
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Sounds like time to upgrade pushrods.
 
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Old Feb 10, 2025 | 01:39 PM
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Originally Posted by Hit Man X
Sounds like time to upgrade pushrods.
Got a set of Smith Brother's rods on the way. I need to upgrade the springs but I really don't want to mess with those with the engine in place, so I'll have some back up rockers and push rods on hand just in case.
 
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Old Feb 11, 2025 | 05:18 AM
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Did you get the normal ones or the extra girthy ones? I need to look at a set of these myself. I'd imagine mine are all wobbyjawed.
 
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Old Feb 11, 2025 | 07:58 AM
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Originally Posted by Edgethis
Did you get the normal ones or the extra girthy ones? I need to look at a set of these myself. I'd imagine mine are all wobbyjawed.
I got what they call "Stage 1" which they list as .065 wall thickness. From what I researched, that should be plenty for my mods.
 
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Old Feb 17, 2025 | 05:54 PM
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Got the new pushrods in and everything back together. I think it further damage. Has a slight miss at idle and blue haze out the exhaust even when running. Used AE and did a cylinder contribution test, and when it tests #4, the one that bent the rods, almost no change.

I think I’ll do a compression test next. What’s the best way to determine rings vs. valve damage?
 
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Old Feb 17, 2025 | 06:00 PM
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Start with the comp is my thoughts, then if real **** poor... leak down. Listen for air from tailpipe or intake area.

Sounds like me with my 01 Screw. Weak No 4.

Hopefully just heads are the issue, still a pain in the ***.
 
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Old Feb 17, 2025 | 06:37 PM
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Originally Posted by Hit Man X
Start with the comp is my thoughts, then if real **** poor... leak down. Listen for air from tailpipe or intake area.

Sounds like me with my 01 Screw. Weak No 4.

Hopefully just heads are the issue, still a pain in the ***.
I’ll give that a try. Going out of town so it will be a few weeks before I can but I’ll report back. Thanks.
 
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